Home / 7,127,027.45-10,690,540.96-3,287,713.94

Finding the Fourth Proportional to 7,127,027.45, 10,690,540.96 and 3,287,713.94

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Solution

The fourth proportional to 7,127,027.45, 10,690,540.96 and 3,287,713.94 is: 4,931,570.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,127,027.45 : 10,690,540.96 = 3,287,713.94 : x
  2. Step 2: Convert to fraction form
    7,127,027.45/10,690,540.96 = 3,287,713.94/x
  3. Step 3: Cross multiply
    7,127,027.45x = 10,690,540.96 × 3,287,713.94
  4. Step 4: Simplify right side
    7,127,027.45x = 35,147,440,486,880.28
  5. Step 5: Solve for x
    x = 35,147,440,486,880.28/7,127,027.45
  6. Step 6: Final answer
    x = 4,931,570.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.